int mshigh = msbit >>> 3, mslow = msbit & 7;
        int b = c + (out[i % olen] & 0xff)
                + (((data[(ilen - 1 - mshigh) % ilen] & 0xff) << 8 | data[(ilen - mshigh) % ilen] & 0xff) >>> mslow + 1 & 0xff);
        out[i % olen] = (byte) (b & 0xff);
        return b >>>= 8;
    }

    private static int lcm(int u, int v) {
        int a = u, b = v, c;

            NdrShort ndrShort = new NdrShort(inputValue);

            // Then: Value should be masked with 0xFF (lower 8 bits)
            assertEquals(inputValue & 0xFF, ndrShort.value, "Constructor should mask value with 0xFF");
        }

        @Test
        @DisplayName("Should handle zero value correctly")
        void testConstructorZero() {
            // Given/When: Creating NdrShort with zero

        long decoded = Encdec.dec_uint64le(buffer, 0);

        // Then
        assertEquals(value, decoded);
        assertEquals(0xF0, buffer[0] & 0xFF);
        assertEquals(0xDE, buffer[1] & 0xFF);
        assertEquals(0xBC, buffer[2] & 0xFF);
        assertEquals(0x9A, buffer[3] & 0xFF);
    }

    @Test
    @DisplayName("Should handle big endian encoding/decoding")
    void testBigEndianOperations() {
        // Given

        dstIndex += this.wordCount + 1;
        this.wordCount /= 2;
        dst[start] = (byte) (this.wordCount & 0xFF);

        this.byteCount = writeBytesWireFormat(dst, dstIndex + 2);
        dst[dstIndex] = (byte) (this.byteCount & 0xFF);
        dstIndex++;
        dst[dstIndex++] = (byte) (this.byteCount >> 8 & 0xFF);
        dstIndex += this.byteCount;

        /*

     */
    public static int readInt4(final byte[] src, final int srcIndex) {
        return (src[srcIndex] & 0xFF) + ((src[srcIndex + 1] & 0xFF) << 8) + ((src[srcIndex + 2] & 0xFF) << 16)
                + ((src[srcIndex + 3] & 0xFF) << 24);
    }

    /**
     * Reads a 64-bit integer value from a byte array in little-endian format
     * @param src the source byte array

                assertTrue(flag >= 0x00 && flag <= 0xFF,
                        String.format("Fragment flag 0x%02X should be in valid byte range 0x00-0xFF", flag));
            }
        }

        @Test
        @DisplayName("RPC packet flags should be within byte range")
        void testRpcPacketFlagsRange() {
            // Verify that RPC packet flags are within byte range (0x00-0xFF)

        buffer[index++] = (byte) (flags & 0xFF);
        buffer[index++] = (byte) ((flags >> 8) & 0xFF);

        // Session ID (8 bytes) - little-endian
        buffer[index++] = (byte) (testSessionId & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 8) & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 16) & 0xFF);
        buffer[index++] = (byte) ((testSessionId >> 24) & 0xFF);

    static int readInt2(final byte[] src, final int srcIndex) {
        return ((src[srcIndex] & 0xFF) << 8) + (src[srcIndex + 1] & 0xFF);
    }

    static int readInt4(final byte[] src, final int srcIndex) {
        return ((src[srcIndex] & 0xFF) << 24) + ((src[srcIndex + 1] & 0xFF) << 16) + ((src[srcIndex + 2] & 0xFF) << 8)
                + (src[srcIndex + 3] & 0xFF);
    }

    static int readLength(final byte[] src, int srcIndex) {

        byte[] dst = new byte[4];

        SMB1SigningDigest.writeUTime(mockConfig, 0L, dst, 0);

        assertEquals((byte) 0xFF, dst[0]);
        assertEquals((byte) 0xFF, dst[1]);
        assertEquals((byte) 0xFF, dst[2]);
        assertEquals((byte) 0xFF, dst[3]);
    }

    @Test
    @DisplayName("Test writeUTime with max time")
    void testWriteUTimeWithMaxTime() {

    }

    static int readULong(final byte[] src, final int index) {
        return src[index] & 0xff | (src[index + 1] & 0xff) << 8 | (src[index + 2] & 0xff) << 16 | (src[index + 3] & 0xff) << 24;
    }

    static int readUShort(final byte[] src, final int index) {
        return src[index] & 0xff | (src[index + 1] & 0xff) << 8;
    }

    static byte[] readSecurityBuffer(final byte[] src, final int index) {